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Use of light to convey information
Optical communication or optical telecommunication (sometimes known as optical transmission), is communication at a distance using light to carry information
Optical_communication
Transmitting information over optical fiber
Fiber-optic communication is a form of optical communication for transmitting information from one place to another by sending pulses of infrared or visible
Fiber-optic_communication
Communication using light sent through free space
Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to Wirelessly transmit data for
Free-space optical communication
Free-space_optical_communication
Communication using lasers in outer space
Laser communication in space is the use of free-space optical communication in outer space. Communication may be fully in space (an inter-satellite laser
Laser_communication_in_space
Light-conducting fiber
An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers are widely used
Optical_fiber
Transfer of information or power that does not require the use of physical wires
the information sent by the transmitter. Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the
Wireless_communication
Cable assembly containing one or more optical fibers that are used to carry light
fiber-optic communication in diverse applications: long-distances, connecting parts of a building, or transmitting data across continents. Optical fiber consists
Fiber-optic_cable
Device that switches or amplifies optical signals
control light using only light and has applications in optical computing and fiber-optic communication networks. Such technology has the potential to exceed
Optical_transistor
Chinese electronics company
Suzhou TFC Optical Communication Co., Ltd. (TFC; Chinese: 天孚通信; pinyin: Tiānfǔ Tōngxùn) is a publicly listed Chinese company headquartered in Chengdu
TFC_Communication
Device that emits light via optical amplification
allows a laser to be focused to a tight spot, enabling uses such as optical communication, laser cutting, and lithography. It also allows a laser beam to
Laser
Use of visible, IR, or UV light to transmit a signal
Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the air" (or in outer space), without an optical
Optical wireless communications
Optical_wireless_communications
Assembled components serving a common purpose for communications
through the use of mutually understood signs and semiotic rules. An optical communication system is any form of communications system that uses light as the
Communications_system
Optical communications manufacturing company
Finisar Corporation is a manufacturer of optical communication components and subsystems. The company was founded in April 1987 by Frank Levinson and
Finisar
Means of communication using light
Optical networking is a means of communication that uses signals encoded in light to transmit information in various types of telecommunications networks
Optical_networking
Technology used to provide broadband to the end consumer via fiber
A passive optical network (PON) is a fiber-optic telecommunications network that uses only unpowered devices to carry signals, as opposed to electronic
Passive_optical_network
Optical network using a mesh topology
An optical mesh network is a type of optical telecommunications network employing wired fiber-optic communication or wireless free-space optical communication
Optical_mesh_network
Transmission of information electromagnetically
used for long-distance communication throughout history, from smoke signals, beacons, semaphore telegraphs, signal flags, and optical heliographs to wires
Telecommunications
Spacecraft communication system using lasers
Deep Space Optical Communications (DSOC) is a laser space communication system in operation that improved communications performance 10 to 100 times over
Deep Space Optical Communications
Deep_Space_Optical_Communications
Device that amplifies an optical signal
without an optical cavity, or one in which feedback from the cavity is suppressed. Optical amplifiers are important in optical communication and laser
Optical_amplifier
Transfer of data over a communication channel
digital-to-analog conversion. Data communication channels include copper wires, optical fibers, Wireless communication using radio spectrum, storage media
Data_communication
Network for communications over distance
plane. Data networks are used extensively throughout the world for communication between individuals and organizations. Data networks can be connected
Telecommunications_network
Tower-based signaling network
conveying textual information by means of visual signals (a form of optical communication). There are two main types of such systems: the semaphore telegraph
Optical_telegraph
Linked hypertext system on the Internet
Stephen B., "Wavelength division multiplexed optical communication systems employing uniform gain optical amplifiers", issued 9 December 1997 Hecht, Jeff
World_Wide_Web
Visual signaling device for optical communication
an Aldis lamp or a Morse lamp) is a visual signaling device for optical communication by flashes of a lamp, typically using Morse code. The idea of flashing
Signal_lamp
Computer that uses photons or light waves
Optical computing or photonic computing uses light waves produced by lasers or incoherent sources for data processing, data storage or data communication
Optical_computing
Sensors of light or other electromagnetic energy
essential in a wide range of applications, from digital imaging and optical communication to scientific research and industrial automation. Photodetectors
Photodetector
Optical point-to-point Free Space Optics data link
RONJA (Reasonable Optical Near Joint Access) is a free-space optical communication system developed in the Czech Republic by Karel Kulhavý of Twibright
RONJA
Mechanical apparatus used to send messages
heliograph was a simple but effective instrument for instantaneous optical communication over long distances during the late 19th and early 20th century
Semaphore
Japanese spaceflight company
wide variety of missions including remote sensing, VDES communication, and optical communication. Spacecraft components developed in-house by ArkEdge Space
ArkEdge_Space
Optical network component
In optical communication, a reconfigurable optical add-drop multiplexer (ROADM) is a form of optical add-drop multiplexer that adds the ability to remotely
Reconfigurable optical add-drop multiplexer
Reconfigurable_optical_add-drop_multiplexer
Network that allows computers to share resources and communicate with each other
open-standards wireless radio-wave technology known as Wi-Fi. Free-space optical communication uses visible or invisible light for communications. In most cases
Computer_network
Connection between data center buildings
over long distances. By using specialized infrastructure such as optical communication and direct connection between data centers, DCI is able to provide
Data_center_interconnect
Japanese electrical engineer
Masataka Nakazawa (born 17 September 1952) is a Japanese researcher in optical communication engineering. He is a distinguished professor at Tohoku University
Masataka_Nakazawa
Hong Kong electrical engineer (1933–2018)
achievements concerning the transmission of light in fibres for optical communication." The following year, he was knighted by Queen Elizabeth II "for
Charles_K._Kao
Physical structure guiding light waves
integrated optical circuits or as the transmission medium in local and long-haul optical communication systems. They can also be used in optical head-mounted
Waveguide_(optics)
Line code in which the signal value returns to zero between each pulse
Return-to-zero (RZ or RTZ) describes a line code used in telecommunications signals in which the signal drops (returns) to zero between pulses. This takes
Return-to-zero
Type of device
of light in optical communication. The beam may be carried over free space, or propagated through an optical waveguide (optical fibre). Depending on
Optical_modulator
Use of radio waves for communication
receiver; this is the fundamental principle of radio communication. In addition to communication, radio is used for radar, radio navigation, remote control
Radio
Standardized optical fiber digital audio interconnect
Link) is a standardized optical fiber connector system. Generically known as optical audio, the most common use of the TOSLINK optical fiber connector is in
TOSLINK
NASA laser communication system test in 2013
LLCD is a free-space optical communication system. It was NASA's first attempt at two-way space communication using an optical laser instead of radio
Lunar Laser Communication Demonstration
Lunar_Laser_Communication_Demonstration
Hardware used for telecommunication purposes
equipment Transmission lines Optical fiber Local loops Base transceiver stations Free-space optical communication Laser communication in space Multiplexers Communications
Telecommunications_equipment
Communication flowing simultaneously in both directions
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in
Duplex_(telecommunications)
bottleneck Light Peak List of device bandwidths Optical communication Optical cable Optoelectronics Parallel optical interface Photo diode PIN diode PCI Express
Optical_link
Continuous time-varying signal
signal is subject to electronic noise and distortion introduced by communication channels, recording and signal processing operations, which can progressively
Analog_signal
Method for multiplexing signals
used in fiber optic communication by transmitting separate left and right circularly polarized light beams through the same optical fiber. Polarization
Polarization-division multiplexing
Polarization-division_multiplexing
Physical or logical connection used for transmission of information
A communication channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a
Communication_channel
Transoceanic communication line placed on the seabed
January 26, 2021. Undersea Fiber Communication Systems. Academic Press. November 26, 2015. ISBN 978-0-12-804395-0. "WDM Optical Submarine Network Systems" (PDF)
Submarine communications cable
Submarine_communications_cable
the SEAforth multi-core processor from Charles H. Moore In theory, an optical computer's components could directly connect through a holographic or phased
History of general-purpose CPUs
History_of_general-purpose_CPUs
Type of amplitude-shift keying modulation
to RF carrier waves, OOK is also used in optical communication systems (e.g. IrDA and fiber-optic communication). In aviation, some possibly unmanned airports
On–off_keying
Inventor of the telephone (1847–1922)
inventions marked Bell's later life, including ground-breaking work in optical telecommunications, hydrofoils, and aeronautics. Bell also had a strong
Alexander_Graham_Bell
Platform for users to upload, share, or live stream videos on the Internet
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Internet Molecular communication Radio waves wireless Transmission
Online_video_platform
Shuttleworth Foundation through their fellows program. Free-space optical communication Optical wireless communications Williams, Elliot (10 March 2016). "Gigabit
Koruza
Method of communication
director Cartography Graphic design Illustration Models of communication Optical communication Photography Swiss Style (design) Sign industry Technical
Visual_communication
Subfield of electronics engineering
coaxial cables, and optical fibers. Telecommunications engineers also provide solutions revolving around Wireless modes of communication and information transfer
Telecommunications engineering
Telecommunications_engineering
Topics referred to by the same term
transmission line, fiber-optic cable, etc.): Free-space optical communication is communication by shining light through air Free-space path loss, the spreading-out
Free_space_(disambiguation)
System for exchanging messages between computing systems
A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information. The protocol defines
Communication_protocol
Microchip manipulating light instead of electricity
(AWGs) which are commonly used as optical (de)multiplexers in wavelength division multiplexed (WDM) fiber-optic communication systems are an example of a photonic
Photonic_integrated_circuit
System to transmit information by hand
communication. Many of the codepoints of flag semaphore match those of the Foy-Breguet electrical telegraph, also descended from the French optical telegraph
Flag_semaphore
Optelecom configured its own fiber lasers and optical amplifiers into the first commercial optical communication systems which it delivered to Chevron and
History_of_the_Internet
Power level referenced to one milliwatt
milliwatt (mW). It is commonly used by radio, microwave and fiber-optical communication technicians & engineers to measure the power of system transmissions
DBm
Submarine communication
Communication with submarines is a field within military communications that presents technical challenges and requires specialized technology. Because
Communication_with_submarines
Wireless telecommunications device
plans in May 2020 to replace pagers and bleepers with "more modern communication tools," accelerated by the pressure placed on the service by the COVID-19
Pager
Industrial shift to information technology
end of its production in 1993. Optical communication plays a crucial role in communication networks. Optical communication provides the transmission backbone
Information_Age
Global system of connected computer networks
networks of local to global scope, linked by electronic, wireless, and optical networking technologies. The Internet carries a vast range of information
Internet
Wireless communication technology using visible light
Free-space optical communication Heliograph Indoor positioning system (IPS) Infrared communication Infrared Data Association (IrDA) Near-field communication (NFC)
Li-Fi
Israeli professor
building sway on optical wireless-communication systems." Optics letters 28, no. 2 (2003): 129-131. Kedar, Debbie, and Shlomi Arnon. "Urban optical wireless communication
Shlomi_Arnon
Telecommunications device
created by Gottfried Huth in 1796. Huth proposed an alternative to the optical telegraph of Claude Chappe in which the operators in the signaling towers
Telephone
Tripod-mounted mirror device used as solar telegraph
heliograph was a simple but effective instrument for instantaneous optical communication over long distances during the late 19th and early 20th centuries
Heliograph
Process of sending or propagating a signal
from one point to another, through different communication systems. These can be: electrical signals, optical signals, radio waves, or other forms of energy
Signal_transmission
Branch of optics
This usage tends not to include effects such as quantum noise in optical communication, which is studied in the sub-branch of coherence theory. Physical
Physical_optics
sometimes other functions such as programmable signage. Free space optical communication technology has emerged in recent years as an attractive alternative
Modulating_retro-reflector
Space technology startup
technology startup manufacturing laser communication equipment and providing optical satellite communication equipment. In 2016, Stellar Project was
Stellar_Project
Short-range wireless standard
medical devices. The main characteristics of this kind of wireless optical communication are short-range bidirectional data transfer, at serial cable speeds
IrDA
Electromagnetic radiation with wavelengths from 1 m to 1 mm
18, 118. ISBN 978-0-521-83526-8. Eduard, Karplus (1932). "Communication with quasi-optical waves". Standards Yearbook, 1932. Washington D.C.: Bureau of
Microwave
Topics referred to by the same term
carbonaceous chondrite meteorite Carrier interferometry, a radio and optical communication coding technology Chemical ionization, a technique used in mass
CI
Use of light in the visible spectrum as a telecommunication medium
networks. Recently Organic LEDs (OLED) have been used as optical transceivers to build up VLC communication links up to 10 Mbit/s. In October 2014, Axrtek launched
Visible_light_communication
Aircraft digital message communication system
Aircraft Communications Addressing and Reporting System) is a digital data communication system for transmission of short messages between aircraft and ground
ACARS
Type of optical fiber mostly used for communication over short distances
Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus. Multi-mode
Multi-mode_optical_fiber
Technical applications of optics
includes research on photonic systems. This term is often used for optical communication systems. This area of research focuses on the implementation of
Photonics
Elementary particle or quantum of light
elements of quantum computers, and for applications in optical imaging and optical communication such as quantum cryptography. The photon has no electric
Photon
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Internet Molecular communication Radio waves wireless Transmission
Lists_of_television_channels
Device or point within a network capable of creating, receiving, or transmitting data
a node (Latin: nodus, 'knot') is either a redistribution point or a communication endpoint within telecommunication networks or computer networks. A physical
Node_(computer_networking)
Japanese telecommunication company
service all over the country. They are also obligated to lease their unused optical fiber (dark fiber) to other carriers at regulated rates. NTT Communications
Nippon Telegraph and Telephone
Nippon_Telegraph_and_Telephone
Portable device to make telephone calls using a radio link
referred to as 'cell phones' in North America. Beyond traditional voice communication, digital mobile phones have evolved to support a wide range of additional
Mobile_phone
Israeli optical communications scientist
focuses on optical communication and networking. His studies include signal processing in optical communications, coherent detection, optical OFDM, atmospheric
Dan_Sadot
Electronic device to transmit and receive RF signals
Wirelessly. This wireless communication may be accomplished through optical communication or through radio-frequency (RF) communication. For many applications
RF_module
Early packet switching network (1969–1990)
A. M. (2002). "Growth of the Internet". In Kaminow, I.; Li, T. (eds.). Optical Fiber Telecommunications IV-B: Systems and Impairments. Academic Press
ARPANET
Frequency bands used by Long Term Evolution networks
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Internet Molecular communication Radio waves wireless Transmission
LTE_frequency_bands
Standardized set of specifications
Optical Carrier transmission rates are a standardized set of specifications of transmission bandwidth for digital signals that can be carried on Synchronous
Optical Carrier transmission rates
Optical_Carrier_transmission_rates
Radio station in South Africa
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Internet Molecular communication Radio waves wireless Transmission
Radio_Sonder_Grense
Optical multiplexer component
linearly with each other. This means that, if each channel in an optical communication network makes use of light of a slightly different wavelength, then
Arrayed_waveguide_grating
Chinese-American scientist
microwaves, lasers and optical communications. His innovative work at AT&T pioneered the research and application of lightwave communication, and has had a far-reaching
Tingye_Li
Broadband network architecture term
premises (FTTP) is a form of fiber-optic communication delivery in which an optical fiber is run in an optical distribution network from the central office
Fiber_to_the_x
Country calling code for multinational services in Europe
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Internet Molecular communication Radio waves wireless Transmission
European Telephony Numbering Space
European_Telephony_Numbering_Space
Optical communication system
Visual MIMO is an optical communication system. The name is derived from MIMO, where the multiple transmitter multiple receiver model has been adopted
Visual_MIMO
Means of communication used in Ancient Greece
perfected the system (see Polybius square). Byzantine beacon system Optical communication Polybius square Greek hydraulic semaphore system Suda, fruktos Suda
Phryctoria
Telephone system with IP connectivity
telephony system that uses Internet Protocol to transmit voice and other communication data. Unlike traditional PBX systems that depend on circuit-switched
IP_PBX
Conduit for signal propagation
300 ft).[citation needed] Being able to join optical fibers with low loss is important in fiber optic communication. This is more complex than joining electrical
Transmission_medium
Type of glass used for glass containers
fiber (used for thermal insulation, in fiberglass composites, and optical communication). Container glass has a lower magnesium oxide and sodium oxide content
Container_glass
Telephone prefix in the international telephone numbering plan
media Coaxial cable Fiber-optic communication optical fiber Free-space optical communication Internet Molecular communication Radio waves wireless Transmission
Telephone_country_code
travel, tourism, insurance
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
Girl/Female
Indian
Optional
Female
Vietnamese
Vietnamese name NGON means "good communication."
Girl/Female
American, Arabic, Christian, English, German, Indian, Latin, Muslim, Parsi, Sanskrit, Tamil
Voice; Call; Satellite Communication; Alive; Living Earth; Holy; Life
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
OPTICAL COMMUNICATION
a.
Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina. See Illust. of Brain, and Eye.
n.
An optical toy similar to the phenakistoscope. See Phenakistoscope.
n.
The space covered by an optical instrument at one view.
a.
Of or pertaining to vision or sight.
a.
Belonging to, or consisting of, bark or rind; resembling bark or rind; external; outer; superficial; as, the cortical substance of the kidney.
n.
Of or pertaining to a place; limited; logical application; as, a topical remedy; a topical claim or privilege.
n.
An optical glass; a telescope.
a.
Topical.
a.
Relating to the science of optics; as, optical works.
a.
Expressed in metrical form; exhibiting the imaginative or the rhythmical quality of poetry; as, a poetical composition; poetical prose.
n.
An instrument for showing the optical effects of color.
a.
One skilled in optics.
n.
A reflecting optical glass or instrument; a mirror.
adv.
By optics or sight; with reference to optics.
n.
Of or pertaining to the science of vision; optical.
a.
Of or pertaining to a vortex or vortexes; resembling a vortex in form or motion; whirling; as, a vortical motion.
n.
An optical glass that is convex on both sides.
a.
One who deals in optical glasses and instruments.
a.
Alt. of Optical
a.
Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.
travel, tourism, insurance